This worked great, thank you!
For the record, here is the current version of my test playbook:
- hosts: foo.example.com
vars:
target_macaddr: "0c:c4:7a:17:9a:94"
tasks:
- debug:
var: hostvars[inventory_hostname]['ansible_' + item].device
when: hostvars[inventory_hostname]['ansible_' + item].macaddress is
defined and hostvars[inventory_hostname]['ansible_' + item].macaddress ==
target_macaddr
with_items: '{{ ansible_interfaces }}'
Which prints out the device whose macaddr is the target.
>
On Tuesday, November 22, 2016 at 1:05:58 PM UTC-8, Kai Stian Olstad wrote:
>
> On 22. nov. 2016 21:18, Don Jackson wrote:
> > Here is a truncated version of a fact for one network interface on a
> server:
> >
> > "ansible_eth2": {
> > "active": true,
> > "device": "eth2",
> > "macaddress": "30:0e:d5:cb:11:fe",
> > "type": "ether"
> > },
> >
> >
> > And there are similar facts for each network interface.
> >
> > Given that, I need to be able to find the value for "device" for a
> specific
> > macaddress value.
> >
> > How would I do that?
>
> Something like this.
>
> mac.yml
> ---
> - debug: msg="This is the mac"
> when: hostvars[inventory_hostname]['ansible_' + item].macaddress |
> default() == "xx:xx:xx:xx:xx:xx"
>
>
> play.yml
> ---
> - hosts: all
> tasks:
> - include: mac.yml
> with_items: "{{ ansible_interfaces }}"
>
>
> --
> Kai Stian Olstad
>
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